不等式是中学数学的主干知识与重要内容之一,它可以渗透到中学数学的很多章节,是解决其他数学问题的有力工具,再加上它在实际问题中的广泛应用,决定了它将是常考不衰的热点与重点问题之一,在历年的高考中占有较大的分值比重(如江西自主命题以 Inequality is one of the main knowledge and important content of high school mathematics, it can penetrate many chapters of mathematics in middle school, is a powerful tool to solve other mathematical problems, together with its wide application in practical problems, it determines that it will be constant Test hot and one of the key issues in the calendar year college entrance examination occupy a larger share of the score (such as Jiangxi Autonomous Proposition